The record of magnetic fields in the early solar system

Details The record of magnetic fields in the early solar system The record of magnetic fields in the early solar system

May 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978m%26p....18..273s&link_type=abstract

Moon and the Planets, vol. 18, May 1978, p. 273-279. Research supported by the National Research Council of Canada.

Mathematics

Logic

Paleomagnetism, Planetary Evolution, Planetary Magnetic Fields, Solar System, Dynamo Theory, Lunar Crust, Remanence

Scientific paper

The study of the remanent magnetization of lunar samples and of meteorites has opened up the possibility of direct detection of primoridal magnetic fields in the early history of the solar system. It is found that inclusions contained in meteorites which have not been extensively metamorphosed or reheated during assembly are probably the most useful sources of data, with fields of up to 16 Oe reported. The lunar crust contains many local anomalies that may be derived from primordial fields but cannot in themselves disclose much about the primordial fields. The overall magnetic moments of Mars and Mercury may be related to the final cooling of the crust in the presence of a primordial field. If the fields are due to internal dynamos, there should be no correlation with geological or topographic features.

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